ˌindərˈbōˌrīt, -bȯˌ- noun
( -s )
Etymology: Russian inderborit, from Lake Inder, Kazakhstan, Union of Soviet Socialist Republics, its locality + Russian bor- + -it -ite
: a mineral CaMgB 6 O 11 .11H 2 O consisting of a hydrous borate of calcium and magnesium